NEW YORK -- UPS expects to deliver 527 million packages between Thanksgiving and Christmas this year, surpassing last year's record high by 10 percent.

The world's largest package delivery company estimates 28 million of those will be delivered on Thursday, Dec. 20 - projected to be the busiest day of the year. That's nearly double what the Atlanta company moves on an average day. UPS sees delivery of 527 million holiday packages